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L. MESSIER.

APPARATUS FOR UNLOADING GRAIN BOATS.

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UNITED STATES Aren't rrrcn.

LUKE MESSIER, OF SCHENEGTADY, NEW YORK.

APPARATUS FOR UNLOADING GRAIN-BOATS.

SPECIFICATION forming part of Letters Patent No. 369,460,dated September6, 1887.

Application filed March 6, 1886.

To 6115 whom it may concern.-

Be it known that I, LUKE Mnsslnn, of the city and county of Schenectady,in the State of New York, have invented new and useful Improvements inApparatus for Unloading Grain-Boats, of which the following is aspecification.

My invention relates to improvements in machinery for unloading grainfrom boats and transferring it into store-houses by means of anelevator; and the object of my invention is to provide means forregulating the outthrow of the leg of the elevator. I attain this objectby means of the mechanism illustrated in the accompanying drawings,which, being herein referred to, form part of this specification,and inwhich- Figure 1 is a side elevation of my invention, with the grainboatshown in vertical section; and Fig. 2, a front elevation of part of thesame.

As represented in the drawings, A is the 1 leg of a grain-elevator of acommon and wellknown construction, attached to and adapted to delivergrain into a store-house, the front wall of which is designated by theletter a. Said elevator is provided with the usual end less belt havinggrain-buckets attached thereto, and driven in the usual manner common toall this class of machines. It is also provided with the usualappliances for using the motive power by which the elevator is drivenfor raising the leg A from the lower position shown by full lines inFig. l to the higher position shown by the dotted lines in said figure.

B is a swinging frame, hinged to the wall a between the latter andtheleg A, and in a position where it will range in line with said leg.The outer end of the frame B is entirely disconnected from saidleg, andis provided with a pair of flanged wheels, I), which bear against theinner face of the leg A. Said frame should also beprovided withguide-arms b, which are fixed at right angles to the upper face of theframe, so as to lie at the two opposite sides of the leg A, to retainthe latter in position laterally. A rope, 0, passes upward from theSerial No. 194,219. (No model.)

winch C, over the tackleblocks c, then downward around the tackle-blocksb and then ment an even strain can be applied to the frame B to swing itoutward.

By means of the swinging frame 13 the leg A can be readily swung outwardand retained in any required position, and be eased back to its normalposition without liability to accident.

To prevent the straining of a boat when loaded with grain, it isnecessary that too much of the weight should not be removed from any onepart of the heat while an excess of the weight remains in another part.This necessitates the removal of the grain in limited quantities throughthe different hatehways in as uniform a manner as possible, andconsequently the leg of the elevator must be frequently lifted out ofthe hold and the boat shifted to bring another hatchway in front of theleg of the elevator. To repeatedly perform this work by hand whileunloading a cargo involves a great loss of time and cost of labor, asthe elevator-leg must be swung out every time the boat is shifted. By myimprovement one man can swing the elevator-leg outward, where it will beretained by the frame B during all the different shiftings of the boat.

I claim as my invention- The combination, with the elevatonleg A and theswinging frame 13, hinged to the elevator-building, but disconnectedfrom the leg A, said swinging frame having wheeis Z) and guidearms b atits outer end, said guide-arms being fixed to the upper side ofsaidframe, so as to retain the elevator-leg in position laterally, and thesaid elevator-leg having a sliding movement independently of saidswinging frame, of the winch 0, having a rope, 0, connected to saidswinging frame, as and for the purpose specified.

LUKE MESSIER.

Witnesses:

WM. H. Low, S. B. Bnnwnn.

upward to an eyebolt, c and by this arrange- U

